An individual with achlorhydria (lack of or low gastric acid in stomach) may have abdominal pain due to difficulty digesting food, loose bowel movements & problems due to poor absorption of nutrients.
Foods for Good Digestion # 8: Cod liver oil. Cod liver oil is loaded with vitamin A and vitamin D. The presence of these vitamins is essential to keep the digestive tract healthy and also prevents in the development of various digestive problems in the GI tract.
Include them in your diet to prevent constipation. Whole grains: These are easy to digest and are fiber rich food. Have whole grains and cereals such as wheat, rice, oatmeal, whole oats, millet, barley and quinoa in your diet as it helps improve bowel movements and reduces gastric too!